Results from two trials showed that serving capacity (SC) can be
successfully evaluated in yearling beef bulls under field conditions and is
influenced by sire line (P<.01). Also, providing sexual experience to low ...

Two years of research with nine herds indicated one of two yearling bulls with a herd usually will sire most of the calves. In six of the nine cases, the bull we pre-evaluated as most sexually active was the sire of the ...

Although this is based on only ones years’ results, it indicates that the breeding potential of yearling bulls can be determined before they are run with a cow herd. In this test one bull sired the majority of the calves ...

A wide range in serum cholesterol concentrations was observed within and
between all four breeds of yearling bulls studied. The significance of this observation
is unknown at this time. Addition research is necessary to ...